/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

export default (app) => {
  app.directive('icon', {
    mounted(el, binding) {
      let ele = el.getElementsByTagName('use')[0];
      let val = ele.getAttribute('xlink:href');
      el.onmouseleave = () => {
        ele.setAttribute('xlink:href', val);
      };
      el.onmouseenter = () => {
        ele.setAttribute('xlink:href', binding.value);
      };
    },
  });
};
